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bpf tools: Add new API bpf_object__get_kversion()

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bpf_object__get_kversion() can be used to fetch value of object's
'version' section. Following patch will use it for error reporting.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Zefan Li <lizefan@huawei.com>
Cc: pi3orama@163.com
Link: http://lkml.kernel.org/r/1446817783-86722-3-git-send-email-wangnan0@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Wang Nan 2015-11-06 13:49:38 +00:00 committed by Arnaldo Carvalho de Melo
parent 6371ca3b54
commit 45825d8ab8
2 changed files with 9 additions and 0 deletions
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8
tools/lib/bpf/libbpf.c
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@ -1055,6 +1055,14 @@ bpf_object__get_name(struct bpf_object *obj)
return obj->path;
}
unsigned int
bpf_object__get_kversion(struct bpf_object *obj)
{
if (!obj)
return 0;
return obj->kern_version;
}
struct bpf_program *
bpf_program__next(struct bpf_program *prev, struct bpf_object *obj)
{

1
tools/lib/bpf/libbpf.h
View file

@ -56,6 +56,7 @@ void bpf_object__close(struct bpf_object *object);
int bpf_object__load(struct bpf_object *obj);
int bpf_object__unload(struct bpf_object *obj);
const char *bpf_object__get_name(struct bpf_object *obj);
unsigned int bpf_object__get_kversion(struct bpf_object *obj);
struct bpf_object *bpf_object__next(struct bpf_object *prev);
#define bpf_object__for_each_safe(pos, tmp) \